Ademco 5120XM Trouble
| bF | Long Range Radio trouble |
| NO AC | AC Power Failure |
| BAT | Panel Battery Low |
| Check 01 to 6 | Zone is not communicating with panel, may be bad |
| Check 9 | Internal System Trouble |
| D1 | System is in wait mode, system may have an internal problem |
| System Busy | System is in wait mode, system may have an internal problem |
| CA | Alarm was canceled, this is not a trouble |
| Canceled Alarm | Alarm was canceled, this is not a trouble |
| CC | Panel is being downloaded by Tech Support |
| EA |
Exit Alarm, this is not a trouble, customer armed system then left and didn’t close door before delay expired |
| FC | Fail to Communicate |
| OC | Open Circuit, bad keypad wire |
|
Beep every 40 sec |
System is in Test Mode (Press Code + 1 to exit) |
| Smoke Detector | 4-digit Code + 1 (OFF) twice to turn off siren and reset Smoke Detector |